An electronics store chain sells headphones. The company is about to introduce a new headphone model that is expected to sell very well across its various stores. These are the projected revenue and cost functions for the headphones:

PON-2107 6.970x

a= -170x+ 39.590

Which two statements are true?

The maximum profit is 557 834.

The maximum profit is $21.000.

A selling price of $27 results in the maximum profit

A selling price of 517 results in the maximum profit

A selling price of $16.50 results in the maximum profit